src/share/vm/services/runtimeService.cpp

Wed, 23 Jan 2013 13:02:39 -0500

author
jprovino
date
Wed, 23 Jan 2013 13:02:39 -0500
changeset 4542
db9981fd3124
parent 4165
fb19af007ffc
child 4934
07a4efc5ed14
permissions
-rw-r--r--

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

duke@435 1 /*
jprovino@4165 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "classfile/classLoader.hpp"
stefank@2314 27 #include "services/attachListener.hpp"
stefank@2314 28 #include "services/management.hpp"
stefank@2314 29 #include "services/runtimeService.hpp"
stefank@2314 30 #include "utilities/dtrace.hpp"
stefank@2314 31 #include "utilities/exceptions.hpp"
jprovino@4542 32 #include "utilities/macros.hpp"
duke@435 33
dcubed@3202 34 #ifndef USDT2
duke@435 35 HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin);
duke@435 36 HS_DTRACE_PROBE_DECL(hs_private, safepoint__end);
dcubed@3202 37 #endif /* !USDT2 */
duke@435 38
jprovino@4165 39 #if INCLUDE_MANAGEMENT
duke@435 40 TimeStamp RuntimeService::_app_timer;
duke@435 41 TimeStamp RuntimeService::_safepoint_timer;
duke@435 42 PerfCounter* RuntimeService::_sync_time_ticks = NULL;
duke@435 43 PerfCounter* RuntimeService::_total_safepoints = NULL;
duke@435 44 PerfCounter* RuntimeService::_safepoint_time_ticks = NULL;
duke@435 45 PerfCounter* RuntimeService::_application_time_ticks = NULL;
duke@435 46 PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL;
duke@435 47 PerfCounter* RuntimeService::_interrupted_before_count = NULL;
duke@435 48 PerfCounter* RuntimeService::_interrupted_during_count = NULL;
duke@435 49
duke@435 50 void RuntimeService::init() {
duke@435 51 // Make sure the VM version is initialized
duke@435 52 Abstract_VM_Version::initialize();
duke@435 53
duke@435 54 if (UsePerfData) {
duke@435 55 EXCEPTION_MARK;
duke@435 56
duke@435 57 _sync_time_ticks =
duke@435 58 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime",
duke@435 59 PerfData::U_Ticks, CHECK);
duke@435 60
duke@435 61 _total_safepoints =
duke@435 62 PerfDataManager::create_counter(SUN_RT, "safepoints",
duke@435 63 PerfData::U_Events, CHECK);
duke@435 64
duke@435 65 _safepoint_time_ticks =
duke@435 66 PerfDataManager::create_counter(SUN_RT, "safepointTime",
duke@435 67 PerfData::U_Ticks, CHECK);
duke@435 68
duke@435 69 _application_time_ticks =
duke@435 70 PerfDataManager::create_counter(SUN_RT, "applicationTime",
duke@435 71 PerfData::U_Ticks, CHECK);
duke@435 72
duke@435 73
duke@435 74 // create performance counters for jvm_version and its capabilities
duke@435 75 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None,
duke@435 76 (jlong) Abstract_VM_Version::jvm_version(), CHECK);
duke@435 77
duke@435 78 // I/O interruption related counters
duke@435 79
duke@435 80 // thread signaling via os::interrupt()
duke@435 81
duke@435 82 _thread_interrupt_signaled_count =
duke@435 83 PerfDataManager::create_counter(SUN_RT,
duke@435 84 "threadInterruptSignaled", PerfData::U_Events, CHECK);
duke@435 85
duke@435 86 // OS_INTRPT via "check before" in _INTERRUPTIBLE
duke@435 87
duke@435 88 _interrupted_before_count =
duke@435 89 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO",
duke@435 90 PerfData::U_Events, CHECK);
duke@435 91
duke@435 92 // OS_INTRPT via "check during" in _INTERRUPTIBLE
duke@435 93
duke@435 94 _interrupted_during_count =
duke@435 95 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO",
duke@435 96 PerfData::U_Events, CHECK);
duke@435 97
duke@435 98 // The capabilities counter is a binary representation of the VM capabilities in string.
duke@435 99 // This string respresentation simplifies the implementation of the client side
duke@435 100 // to parse the value.
duke@435 101 char capabilities[65];
duke@435 102 size_t len = sizeof(capabilities);
duke@435 103 memset((void*) capabilities, '0', len);
duke@435 104 capabilities[len-1] = '\0';
duke@435 105 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0';
jprovino@4165 106 #if INCLUDE_SERVICES
duke@435 107 capabilities[1] = '1';
jprovino@4165 108 #endif // INCLUDE_SERVICES
duke@435 109 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities",
duke@435 110 capabilities, CHECK);
duke@435 111 }
duke@435 112 }
duke@435 113
duke@435 114 void RuntimeService::record_safepoint_begin() {
dcubed@3202 115 #ifndef USDT2
duke@435 116 HS_DTRACE_PROBE(hs_private, safepoint__begin);
dcubed@3202 117 #else /* USDT2 */
dcubed@3202 118 HS_PRIVATE_SAFEPOINT_BEGIN();
dcubed@3202 119 #endif /* USDT2 */
johnc@1695 120
johnc@1695 121 // Print the time interval in which the app was executing
johnc@1695 122 if (PrintGCApplicationConcurrentTime) {
johnc@1695 123 gclog_or_tty->print_cr("Application time: %3.7f seconds",
johnc@1695 124 last_application_time_sec());
johnc@1695 125 }
johnc@1695 126
duke@435 127 // update the time stamp to begin recording safepoint time
duke@435 128 _safepoint_timer.update();
duke@435 129 if (UsePerfData) {
duke@435 130 _total_safepoints->inc();
duke@435 131 if (_app_timer.is_updated()) {
duke@435 132 _application_time_ticks->inc(_app_timer.ticks_since_update());
duke@435 133 }
duke@435 134 }
duke@435 135 }
duke@435 136
duke@435 137 void RuntimeService::record_safepoint_synchronized() {
duke@435 138 if (UsePerfData) {
duke@435 139 _sync_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435 140 }
duke@435 141 }
duke@435 142
duke@435 143 void RuntimeService::record_safepoint_end() {
dcubed@3202 144 #ifndef USDT2
duke@435 145 HS_DTRACE_PROBE(hs_private, safepoint__end);
dcubed@3202 146 #else /* USDT2 */
dcubed@3202 147 HS_PRIVATE_SAFEPOINT_END();
dcubed@3202 148 #endif /* USDT2 */
johnc@1695 149
johnc@1695 150 // Print the time interval for which the app was stopped
johnc@1695 151 // during the current safepoint operation.
johnc@1695 152 if (PrintGCApplicationStoppedTime) {
johnc@1695 153 gclog_or_tty->print_cr("Total time for which application threads "
johnc@1695 154 "were stopped: %3.7f seconds",
johnc@1695 155 last_safepoint_time_sec());
johnc@1695 156 }
johnc@1695 157
duke@435 158 // update the time stamp to begin recording app time
duke@435 159 _app_timer.update();
duke@435 160 if (UsePerfData) {
duke@435 161 _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435 162 }
duke@435 163 }
duke@435 164
duke@435 165 void RuntimeService::record_application_start() {
duke@435 166 // update the time stamp to begin recording app time
duke@435 167 _app_timer.update();
duke@435 168 }
duke@435 169
duke@435 170 // Don't need to record application end because we currently
duke@435 171 // exit at a safepoint and record_safepoint_begin() handles updating
duke@435 172 // the application time counter at VM exit.
duke@435 173
duke@435 174 jlong RuntimeService::safepoint_sync_time_ms() {
duke@435 175 return UsePerfData ?
duke@435 176 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1;
duke@435 177 }
duke@435 178
duke@435 179 jlong RuntimeService::safepoint_count() {
duke@435 180 return UsePerfData ?
duke@435 181 _total_safepoints->get_value() : -1;
duke@435 182 }
duke@435 183 jlong RuntimeService::safepoint_time_ms() {
duke@435 184 return UsePerfData ?
duke@435 185 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1;
duke@435 186 }
duke@435 187
duke@435 188 jlong RuntimeService::application_time_ms() {
duke@435 189 return UsePerfData ?
duke@435 190 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1;
duke@435 191 }
duke@435 192
duke@435 193 void RuntimeService::record_interrupted_before_count() {
duke@435 194 if (UsePerfData) {
duke@435 195 _interrupted_before_count->inc();
duke@435 196 }
duke@435 197 }
duke@435 198
duke@435 199 void RuntimeService::record_interrupted_during_count() {
duke@435 200 if (UsePerfData) {
duke@435 201 _interrupted_during_count->inc();
duke@435 202 }
duke@435 203 }
duke@435 204
duke@435 205 void RuntimeService::record_thread_interrupt_signaled_count() {
duke@435 206 if (UsePerfData) {
duke@435 207 _thread_interrupt_signaled_count->inc();
duke@435 208 }
duke@435 209 }
jprovino@4165 210
jprovino@4165 211 #endif // INCLUDE_MANAGEMENT

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